Boulder County property record for 435 Maxwell Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2.25 Baths |
| Architecture Style | Ranch |
| Year Built | Built 1990 |
| Square Footage | 1,055 sqft Living Area |
| Lot Size | 6,827 sqft (0.157 acres) |
| Last Sale | $789,000 (2008) |
| Tax Bill | $9,805.00 (2025) |
| Primary APN | 1461-25-1-01-014 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Partial Baths | 2 Partial Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,055 sqft Living Area |
| 1st Floor | 1,055 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1904 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 6,827 sqft (0.157 acres) |
| Total Buildings | 2 Total Buildings |
| Porch | Porch |
| Porch Area | 168 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0000304 |
|---|---|
| Street Address | 435 MAXWELL AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3935 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOTS 25 & 26 BLK 10 MAXWELLS |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAXWELLS - BO |
| Legal Block | 10 |
| Legal Lot Number | 25 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 4 |
| Census Block | 4003 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-1-01-014
Assessment roll updated June 15, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Owner on File |
|---|---|
| Mailing Address | PO BOX 17395, BOULDER, CO 80308-0395 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20082926930 |
| Last Transfer Date | May 04, 2011 |
| Transfer Doc | 0003147131 |
| Record Refreshed | Sep 20, 2026 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $111,887 (+8.8%) Land $100,698 Building $11,189 | $1,645,400 (-) Land $1,480,860 Building $164,540 | |
| 2025 | $9,805.00 (+2.73%) | $102,838 (-9.96%) Land $92,554 Building $10,284 | $1,645,400 (-3.47%) Land $1,480,860 Building $164,540 |
| 2023 | $9,544.00 (+21.67%) | $114,208 (+35.21%) Land $102,787 Building $11,421 | $1,704,600 (+40.25%) Land $1,534,140 Building $170,460 |
| 2022 | $7,844.00 | $84,470 Land $71,321 Building $13,149 | $1,215,400 Land $1,026,200 Building $189,200 |
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